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Cheap flights from Saint Thomas Island to Washington, D.C. from $95

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Saint Thomas Island to Washington, D.C. departing on 8/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Saint Thomas Island to Washington, D.C.

Cheap round-trip flights

Logo
2:43 pm - 1:04 pmSTT-IAD
22h 21m2 stops
Logo
8:12 pm - 1:48 pmIAD-STT
17h 36m2 stops
$328
Find Deal
Fri, Aug 22 - Sat, Aug 30
Logo
2:43 pm - 1:04 pmSTT-IAD
22h 21m2 stops
Logo
8:12 pm - 11:13 amIAD-STT
39h 01m3 stops
$370
Find Deal
Fri, Aug 22 - Sat, Aug 30
Logo
2:43 pm - 7:22 pmSTT-IAD
28h 39m3 stops
Logo
8:12 pm - 11:13 amIAD-STT
39h 01m3 stops
$433
Find Deal
Fri, Aug 22 - Sat, Aug 30
Logo
2:43 pm - 10:14 amSTT-IAD
19h 31m2 stops
Logo
11:04 am - 1:48 pmIAD-STT
26h 44m2 stops
$504
Find Deal
Wed, Aug 13 - Sun, Aug 17
Delta Logo
2:43 pm - 12:13 amSTT-IAD
9h 30m1 stop
Delta Logo
7:00 am - 1:39 pmIAD-STT
6h 39m1 stop
$509Delta
Find Deal
Thu, Sep 25 - Tue, Oct 7
American Airlines Logo
2:55 pm - 10:56 pmSTT-IAD
8h 01m1 stop
American Airlines Logo
6:34 am - 12:40 pmIAD-STT
6h 06m1 stop
$533American Airlines
Find Deal
Fri, Aug 22 - Sat, Aug 30
Delta Logo
3:55 pm - 11:17 pmSTT-IAD
7h 22m1 stop
Delta Logo
6:23 am - 1:33 pmIAD-STT
7h 10m1 stop
$649Delta
Find Deal
Sat, Sep 20 - Sat, Oct 4
American Airlines Logo
5:10 pm - 12:48 pmSTT-IAD
19h 38m2 stops
American Airlines Logo
6:34 am - 12:40 pmIAD-STT
6h 06m1 stop
$713American Airlines
Find Deal
Fri, Aug 22 - Sat, Aug 30
United Airlines Logo
4:45 pm - 8:57 pmSTT-IAD
4h 12mnonstop
United Airlines Logo
8:15 am - 12:17 pmIAD-STT
4h 02mnonstop
$920United Airlines
Find Deal
Wed, Aug 13 - Sun, Aug 17
United Airlines Logo
4:45 pm - 8:57 pmSTT-IAD
4h 12mnonstop
United Airlines Logo
6:16 am - 1:08 pmIAD-STT
6h 52m1 stop
$925United Airlines
Find Deal
Wed, Aug 13 - Sun, Aug 17

Delta flights from Saint Thomas Island to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Saint Thomas Island to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Sep 25
STT2:43 pmSaint Thomas Island Cyril E King
9h 30m
1 stop
IAD12:13 amWashington, D.C. Dulles Intl
Oct 7
IAD7:00 amWashington, D.C. Dulles Intl
6h 39m
1 stop
STT1:39 pmSaint Thomas Island Cyril E King
$509
Find similar
Delta
Sep 20
STT3:55 pmSaint Thomas Island Cyril E King
7h 22m
1 stop
IAD11:17 pmWashington, D.C. Dulles Intl
Oct 4
IAD6:23 amWashington, D.C. Dulles Intl
7h 10m
1 stop
STT1:33 pmSaint Thomas Island Cyril E King
$649
Find similar
Delta
Sep 20
STT3:55 pmSaint Thomas Island Cyril E King
7h 22m
1 stop
IAD11:17 pmWashington, D.C. Dulles Intl
Oct 4
IAD6:23 amWashington, D.C. Dulles Intl
8h 22m
1 stop
STT2:45 pmSaint Thomas Island Cyril E King
$744
Find similar

American Airlines flights from Saint Thomas Island to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Saint Thomas Island to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Aug 22
STT2:55 pmSaint Thomas Island Cyril E King
8h 01m
1 stop
IAD10:56 pmWashington, D.C. Dulles Intl
Aug 30
IAD6:34 amWashington, D.C. Dulles Intl
6h 06m
1 stop
STT12:40 pmSaint Thomas Island Cyril E King
$533
Find similar
American Airlines
Aug 5
STT4:02 pmSaint Thomas Island Cyril E King
7h 56m
1 stop
IAD11:58 pmWashington, D.C. Dulles Intl
Aug 20
IAD7:25 pmWashington, D.C. Dulles Intl
15h 41m
1 stop
STT11:06 amSaint Thomas Island Cyril E King
$697
Find similar
American Airlines
Aug 22
STT5:10 pmSaint Thomas Island Cyril E King
19h 38m
2 stops
IAD12:48 pmWashington, D.C. Dulles Intl
Aug 30
IAD6:34 amWashington, D.C. Dulles Intl
6h 06m
1 stop
STT12:40 pmSaint Thomas Island Cyril E King
$713
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Saint Thomas Island to Washington, D.C. Dulles Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Saint Thomas Island to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Fri 8/22

2:43 pm-1:04 pm

2 stops22h 21m

Washington, D.C. Dulles Intl

Sat 8/30

8:12 pm-1:48 pm

2 stops17h 36m

$328

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Fri 8/22

2:43 pm-1:04 pm

2 stops22h 21m

Washington, D.C. Dulles Intl

Sat 8/30

8:12 pm-11:13 am

3 stops39h 01m

$370

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Fri 8/22

2:43 pm-7:22 pm

3 stops28h 39m

Washington, D.C. Dulles Intl

Sat 8/30

8:12 pm-11:13 am

3 stops39h 01m

$433

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Wed 8/13

2:43 pm-10:14 am

2 stops19h 31m

Washington, D.C. Dulles Intl

Sun 8/17

11:04 am-1:48 pm

2 stops26h 44m

$504

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Thu 9/25

2:43 pm-12:13 am

1 stop9h 30m

Washington, D.C. Dulles Intl

Tue 10/7

7:00 am-1:39 pm

1 stop6h 39m

$509

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Fri 8/22

2:55 pm-10:56 pm

1 stop8h 01m

Washington, D.C. Dulles Intl

Sat 8/30

6:34 am-12:40 pm

1 stop6h 06m

$533

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Sat 9/20

3:55 pm-11:17 pm

1 stop7h 22m

Washington, D.C. Dulles Intl

Sat 10/4

6:23 am-1:33 pm

1 stop7h 10m

$649

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Fri 8/22

5:10 pm-12:48 pm

2 stops19h 38m

Washington, D.C. Dulles Intl

Sat 8/30

6:34 am-12:40 pm

1 stop6h 06m

$713

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Wed 8/13

4:45 pm-8:57 pm

Nonstop4h 12m

Washington, D.C. Dulles Intl

Sun 8/17

8:15 am-12:17 pm

Nonstop4h 02m

$920

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Wed 8/13

4:45 pm-8:57 pm

Nonstop4h 12m

Washington, D.C. Dulles Intl

Sun 8/17

6:16 am-1:08 pm

1 stop6h 52m

$925

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Saint Thomas Island to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Saturday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $575. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Saint Thomas Island to Washington, D.C. Dulles Intl Airport for around $933.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Saint Thomas Island in the morning is the least expensive time of day to depart. momondo users have found prices as low as $623 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $703 on average. Flights to Washington, D.C. Dulles Intl Airport from Saint Thomas Island in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Saint Thomas Island Cyril E King to Washington, D.C. Dulles Intl flight route?

Fly from Saint Thomas Island Cyril E King to Washington, D.C. Dulles Intl for the best Saint Thomas Island Cyril E King - Washington, D.C. Dulles Intl flight prices

What cabin class options are available on Saint Thomas Island Cyril E King to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Saint Thomas Island Cyril E King to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Saint Thomas Island to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 5% on your flight if you consider stops on a Saint Thomas Island to Washington, D.C. Dulles Intl Airport flight.

How have Saint Thomas Island to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of July 2025, prices for Saint Thomas Island to Washington, D.C. Dulles Intl Airport flights are approximately 7% more expensive when compared to flights at the same time last year.

When to book flights from Saint Thomas Island to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Saint Thomas Island to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Saint Thomas Island to Washington, D.C. Dulles Intl Airport (STT to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Saint Thomas Island to Washington, D.C. Dulles Intl Airport

Best Price Found

$95

Fastest flight time

4h 08m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun
The best one-way flight to Washington, D.C. Dulles Intl Airport from Saint Thomas Island in the past 72 hours is $95. The best round-trip flight deal from Saint Thomas Island to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $328.
The fastest flight from Saint Thomas Island to Washington, D.C. Dulles Intl Airport takes 4h 08m
Direct flights go from Saint Thomas Island to Washington, D.C. Dulles Intl Airport on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is United Airlines.
Search flight deals

  • How far is Saint Thomas Island Cyril E King to Washington, D.C. Dulles Intl by plane?

    Saint Thomas Island Cyril E King and Washington, D.C. Dulles Intl are 1608.5 mi apart from one another. Flights usually cover this in 4h 12m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Saint Thomas Island Cyril E King Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Saint Thomas Island Cyril E King Airport to Washington, D.C. Dulles Intl Airport refresh daily.

  • How many operators does momondo search for flights from Saint Thomas Island Cyril E King Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Saint Thomas Island Cyril E King Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Saint Thomas Island Cyril E King Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Saint Thomas Island to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Saint Thomas Island to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Saint Thomas Island to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Saint Thomas Island to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $550Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights

  • United Airlines Flights From Saint Thomas Island to Washington, D.C. Dulles Intl Airport

    United Airlines is one of the most popular airlines flying from Saint Thomas Island to Washington, D.C. Dulles Intl Airport, operating 7 flights/week on average for this route. A good United Airlines flight deal for Saint Thomas Island to Washington, D.C. Dulles Intl Airport starts from $550 round-trip, up to an average price of $720. Our users have rated United Airlines at 7.4/10.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Winchester
Woodbridge
Laurel
Tysons
Silver Spring
Waldorf
Fredericksburg
Manassas
Harpers Ferry
Towson
Rockville
Colonial Beach
Gaithersburg
Fairfax
Reston
Glen Burnie

Why use momondo?

Why should I use momondo to find a flight deal from Saint Thomas Island to Washington, D.C.?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Saint Thomas Island to Washington, D.C.. momondo saves you time and could save you money on your trip.

Can I find flights from Saint Thomas Island to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Saint Thomas Island on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Saint Thomas Island to Washington, D.C.?

momondo helps you find the best flight between Saint Thomas Island and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Saint Thomas Island to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from Saint Thomas Island are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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